cakephp remove all associated fields from entity

assoc.php

<?php
    public function entityStripAssociations(Entity &$entity)
    {
        /** @var Table $table */
        $table = TableRegistry::getTableLocator()->get($entity->getSource());
        foreach ($table->associations() as $asoc) {
            $entity->unsetProperty($asoc->getProperty());
        }
        return $entity;
    }